Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The dawn of August sees an average high-temperature of a still moderately hot 80.8°F (27.1°C), subtly contrasting with July's 82.4°F (28°C). During the month of August, the temperature in Massena generally drops to a low average of 62.2°F (16.8°C).Heat index
The heat index in August is evaluated at a tropical 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The average relative humidity in August in Massena, Iowa, is 79%.Rainfall
In August, in Massena, the rain falls for 14.8 days. Throughout August, 2.99" (76mm) of precipitation is accumulated. Throughout the year, in Massena, there are 138.2 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Massena, the average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:35 pm. On the last day of August, in Massena, sunrise is at 6:45 am and sunset at 7:53 pm CDT.
Sunshine
In Massena, the average sunshine in August is 9.8h.UV index
The months with the highest UV index in Massena are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, an average UV index of 6 transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are August temperatures in Massena?
What is the average humidity in August in Massena?
How many days does it rain in August in Massena?
When it does not snow in Massena?
How many hours of daylight does Massena have in August?
When is the sunrise / sunset in August in Massena?
How long on average sun shines in August in Massena?
When is the highest UV index in Massena?
What is the UV index reading in August in Massena?
Average temperature in August
Massena, IA
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in August
Massena, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Massena, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Massena, IA
- Average humidity in August: 79%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Massena, IA
- Average rainfall in August: 2.99"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Massena, IA
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in August
Massena, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Massena, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Massena, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Massena, IA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in August
Massena, IA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Massena, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in August
Massena, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Massena, Iowa, USA
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